Move PrefRegistrySimple to use unique_ptr<Value>

components/signin/core/browser/signin_manager_base.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/signin/core/browser/signin_manager_base.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
+#include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/prefs/pref_service.h"
 #include "components/signin/core/browser/account_info.h"
 #include "components/signin/core/browser/account_tracker_service.h"
 #include "components/signin/core/browser/signin_client.h"
 #include "components/signin/core/common/signin_pref_names.h"
@@ skipping 30 matching lines @@
       prefs::kGoogleServicesRefreshTokenAnnotateScheduledTime,
       base::Time().ToInternalValue());
   registry->RegisterStringPref(prefs::kGoogleServicesSigninScopedDeviceId,
                                std::string());
   registry->RegisterStringPref(prefs::kGoogleServicesAccountId, std::string());
   registry->RegisterStringPref(prefs::kGoogleServicesUserAccountId,
                                std::string());
   registry->RegisterBooleanPref(prefs::kAutologinEnabled, true);
   registry->RegisterBooleanPref(prefs::kReverseAutologinEnabled, true);
   registry->RegisterListPref(prefs::kReverseAutologinRejectedEmailList,
-                             new base::ListValue);
+                             base::MakeUnique<base::ListValue>());
   registry->RegisterBooleanPref(prefs::kSigninAllowed, true);
   registry->RegisterInt64Pref(prefs::kSignedInTime,
                               base::Time().ToInternalValue());
 
   // Deprecated prefs: will be removed in a future release.
   registry->RegisterStringPref(prefs::kGoogleServicesUsername, std::string());
 }
 
 // static
 void SigninManagerBase::RegisterPrefs(PrefRegistrySimple* registry) {
@@ skipping 178 matching lines @@
     SigninDiagnosticsObserver* observer) {
   signin_diagnostics_observers_.RemoveObserver(observer);
 }
 
 void SigninManagerBase::NotifyDiagnosticsObservers(
     const TimedSigninStatusField& field,
     const std::string& value) {
   for (auto& observer : signin_diagnostics_observers_)
     observer.NotifySigninValueChanged(field, value);
 }